| **ACCUMULATED OTHER COMPRENSIVE LOSS (Details) - USD ($) $ in Millions**                                                                       | 12 Months Ended |        |
|------------------------------------------------------------------------------------------------------------------------------------------------|-----------------|--------|
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| **Equity [Abstract]**                                                                                                                          |            |   |   |
| Foreign currency translation, net of income taxes of $2 million at each of June 28, 2019 and June 29, 2018                                     | $ (106)         | $ (99) |   |
| Net unrealized loss on hedging derivatives, net of income taxes of $13 million and $7 million at June 28, 2019 and June 29, 2018, respectively | (38)            | (20)   |   |
| Unrecognized postretirement obligations, net of income taxes of $188 million and $30 million at June 28, 2019 and June 29, 2018, respectively  | (563)           | (83)   |   |
| Accumulated other comprehensive loss                                                                                                           | (707)           | (202)  | $ (276) |
| Tax effect on foreign currency translation                                                                                                     | 2               | 2      |   |
| Tax effect on unrealized loss on hedging derivatives                                                                                           | 13              | 7      |   |
| Tax effect on unrecognized post-retirement obligations                                                                                         | $ 188           | $ 30   |   |

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| - Definition
Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.
+ References
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| - Definition
Amount, after tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).
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| - Definition
Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.
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| - Definition
Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.
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| - Definition
Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
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| - Definition
Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan.
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of tax expense (benefit), before reclassification adjustments, related to increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
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